<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <script>
        for (let i = 1;i<=9;i++){
            let s = '';
            for (let j = 1;j<=i;j++){
                s += j + '×' + i + '=' + j*i + '\t';
            }
            console.log(s)
        }
    </script>
</body>
</html>